All Questions ⁺⁰237687 Questions

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math problem

$1 \ \square \ 2 \ \square \ 3 \ \square \ 4$
If we only used plus signs and minus signs in place of the boxes above, how many distinct values can we obtain?

Guest Jan 7, 2022

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382

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help:)

The polar explorers hiked 7/10 of a mile across the frozen wilderness during the first hour. They saw three polar bears from a distance. During the second hour of their hike, they saw eight polar bears, but only hiked 1/5 mile. How many miles did they read more ..

Guest Jan 7, 2022

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323

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Probability

The Ramirez family grew a large crop of sunflowers this year. As they were collecting the seeds and drying them, naturally they ate some to see how they tasted. In all, they opened about two hundred seeds. Some of them they could not eat (about 15) because read more ..

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332

5

general question

how do i know the angle of elevation & the angle of depression?
for example

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Guest Jan 7, 2022

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421

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Counting

How many integers n, 5000 <= n <= 8000, have the property that the product of the digits is equal to 0?

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Guest Jan 7, 2022

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270

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Counting problem

Our club has 10 members, and wishes to pick a president, secretary, treasurer, morale officer, and dog catcher. In how many ways can we choose the officers, if individual members can only hold at most one office?

Guest Jan 7, 2022

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323

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Coordinates

A line goes through (2,3),and (8,-2). The line has an X intercept of P and a y intercept of Q. Let the origin be O. Find the area of Triangle OPQ.

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398

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prob.

The square root of {y} is equal to the square root of {x²} which is also equal to 9.

Guest Jan 7, 2022

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252

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Geometry

Point P is on side AC of the triangle ABC such that angle APB = angle ABP and angle ABC - angle ACB = 49. find PBC in degrees.

Guest Jan 7, 2022

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250

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Geometry

Angle bisectors TX and UY of triangle TUV meet at point I. Find all possible values of angle V if angle TIU = 105 degrees. As your answer, enter the number of degrees in angle V. If you find more than one possibility, list the possible values in increasing read more ..

Guest Jan 7, 2022

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324

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Number Theory

In the prime factorization of 12! + 15! + 18! + 21! + 24!, what is the exponent of 3?

Guest Jan 7, 2022

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251

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help algebra

Give an example of a quadratic function that has zeroes at x = 2 and x = -4, and that takes the value 6 when x = 3. Write your answer in expanded form "ax^2 + bx + c", where a,b,c are replaced by appropriate numbers.

Guest Jan 7, 2022

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440

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Algebra

Calculate the sum of the geometric series $1+\left(\frac{1}{8}\right)+\left(\frac{1}{8}\right)^2 + \left(\frac{1}{8}\right)^3 + \dots$. Express your answer as a common fraction.

Guest Jan 7, 2022

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386

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Coordinates

The equation of the line that passes through the points (-3,5) and (0,-14) can be expressed in the form y=mx+b. What is the value of m+b?

Guest Jan 7, 2022

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384

4

Help

How do u make 9 and 10 using 2,0,2,2 and +,-,x, division,^, square root,!,!!

Guest Jan 7, 2022

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378

1

Modular Arithmetic

Given that $33^{-1} \equiv 77$ (mod $508$), find $17^{-1}$ (mod $508$) as a residue modulo 508. (Give an answer between 0 and 507, inclusive.)

Guest Jan 7, 2022

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376

1

Polynomial

When the polynomial p(x) is divided by x - 1, the remainder is 3. When the polynomial p(x) is divided by x - 3, the remainder is 8. What is the remainder when the polynomial p(x) is divided by (x - 1)(x - 3)?

Guest Jan 7, 2022

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246

0

I=2Prt solve for r

I=2Prt solve for r

Guest Jan 7, 2022

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407

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math

If a and b are integers such that a - b = 10, find the minimum value of a*b.

Guest Jan 7, 2022

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365

3

I am demented

After driving for 55 minutes, Dustin took a break for 50 minutes to have a snack. Then Dustin drove 2 hours and 10 minutes and finally arrived at his grandmother's house at 4:30 P.M. What time did Dustin start driving?

Guest Jan 7, 2022

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282

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direct variation

for y=kx does y equal the y intercept and x equal the x intercept? also 22=k(7 1/3) would have direct variation right? because y/x = k, so 22/(7 1/3)=3
i hope im explaining this well enough

Guest Jan 7, 2022

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317

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Geometry

Radii OA, OB, and OC divide the circle into three congruent parts. Let D be a point on the arc AB such that arc AD = 44 degrees. Find the measure of angle OCD.

Guest Jan 7, 2022

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257

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Algebra

A quadratic of the form -2x^2 + bx + c has roots of x = 3 + sqrt(11) and x = 3 - sqrt(11). The graph of y = -2x^2 + bx + c is a parabola. Find the vertex of this parabola.

Guest Jan 7, 2022

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318

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Geometry

In a certain Pentagon, the interior angles are a˚, b˚, c˚, d˚, and e˚ where a, b, c, d, and e are integers strictly less than 180. ("Strictly less than 180" means they are "less than and not equal to" 180.)

If read more ..

Guest Jan 7, 2022

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357

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help!

When 7-i is converted to the exponential form r^(i*theta) , what is r?

if you could explain the technique to do this problem, that would be awesome! this way i can apply it for similar problems in the future. thanks!!
<read more ..

Guest Jan 7, 2022

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